Evacuation chair



FIG. 1 is a perspective view of an evacuation chair showing our new design in a closed position;

FIG. 2 is a rear view thereof;

FIG. 3 is a perspective view thereof, showing the evacuation chair in an open position;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a side view thereof, the opposite side being a mirror image thereof; and,

FIG. 7 is a rear perspective view thereof. 

CLAIM The ornamental design for an evacuation chair, as shown and described. 